检测程序是否打开

 -(void)awakeFromNib

 　　NSArray* apps = [NSRunningApplication

                     runningApplicationsWithBundleIdentifier:@"com.apple.iTunes"];

    　　if (apps && apps.count) {

       

　　 　　　　for (NSRunningApplication *app in apps) {

                [app forceTerminate];//强制关闭

           　　　　 }

    　　}

　　[[[NSWorkspace sharedWorkspace] notificationCenter]addObserver:self selector:@selector(willLaunchApplication:) name:NSWorkspaceWillLaunchApplicationNotification object:nil];

}

- (void)willLaunchApplication:(NSNotification *)notify

{

    NSDictionary *userInfo = notify.userInfo;

    NSString *bundleIdentifier = [userInfo objectForKey:@"NSApplicationBundleIdentifier"];

    if ([bundleIdentifier isEqualToString:@"com.apple.iTunes"]) {

　　　　for (NSRunningApplication *app in apps) {

               　　 [app forceTerminate];//强制关闭

           　　　　 }

   }

    

}